import java.util.Scanner;
import java.io.File;
public class Demo3 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        File f = new File("./test.txt");
        //立即删除文件
        // f.delete();
        //程序彻底终止后 删除文件
        f.deleteOnExit();
        scanner.next();
        System.out.println(f.exists());
    }
}
